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Finding the Fourth Proportional to 162,386.19, 224,092.31 and 90,766.19

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Solution

The fourth proportional to 162,386.19, 224,092.31 and 90,766.19 is: 125,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,386.19 : 224,092.31 = 90,766.19 : x
  2. Step 2: Convert to fraction form
    162,386.19/224,092.31 = 90,766.19/x
  3. Step 3: Cross multiply
    162,386.19x = 224,092.31 × 90,766.19
  4. Step 4: Simplify right side
    162,386.19x = 20,340,005,293.40
  5. Step 5: Solve for x
    x = 20,340,005,293.40/162,386.19
  6. Step 6: Final answer
    x = 125,256.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.